Shaanxi Xinheng-Longteng Bio-Tech Co., Ltd.(Aslo Named: SHAANXI XINHENG BIOTECH CO.,LTD) takes natural plants as raw materials, integrating high-tech with traditional process to manufacture and develop various natural plant extract. With the modern synthesis technique, we make chemical synthesis to some products to definitely offer quality natural products and technical services for natural products, health food, cosmetics, flavor and fragrance industry. Since establishment, our company has ...